A man with a troubled past decides to turn his life around after a heroic act by training for a mixed martial arts tournament.

　　After a mysterious accident at a research camp on the Isle of Gran Manan, a CEO hires a team of blue-collar mercenaries to extract his daughter, a scientist working at the camp. Upon arrival, the team soon learns that not only is the island surrounded by a wormhole that causes time to reset every three days, but it's also crawling with hideous monsters. As they learn more about the nature of time, space, and the creatures on the island, they quickly realize that death may be the easiest way to escape the island.

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　　3年前，話劇老師林曉陽（林嘉欣飾）的弟弟被綁架，案件交由高級(jí)督察何宛真（劉若英飾）及智叔（張兆輝飾）負(fù)責(zé)，可是在追捕的過程中，疑犯因爭吵墜樓身亡，林曉陽就此埋下了怨恨?！　∪旰?，林曉陽患病的丈夫（趙會(huì)南飾）病情加重，需要一千萬才能有治好的希望，林曉陽動(dòng)了綁架富豪王森（郭 濤飾）兒子的念頭。多日來林曉陽跟她從尼泊爾認(rèn)識(shí)的同伙跟蹤小孩動(dòng)向，后來決定在一個(gè)傍晚下手。剛好案子也是有何宛真接手，就讓林曉陽有了報(bào)復(fù)的心理，何宛真為了救回孩子只好服從，可她萬萬沒有想到，原來王森的兒子，跟自己的兒子調(diào)換了衣服穿，被林曉陽綁架的正是何宛真的兒子。　　兩個(gè)女人，都為著心愛的親人在綁架案中斗志斗勇，展開激烈的較量。